Sorry for joining in here late.
I had both amps here temporarily. I'd love a hybrid of both.
My idea would be:
Take the JJ with the Butterslax layout
a. leave clean as is
b. JJ channel as is incl. JBE switch
c. add the third channel of the Butterslax (extra gainstage, different voicing)
d. add a diode switch to remove the diode clipping for channel 3 (which will give you kind of a HBE, I guess)
e. make the extra Gainstage in channel 3 switchable (which will give you "BE/JBE" in channels 2 and 3
Makes total sense to me, since you have a real clean, no contant diodes as in the Butterslax plus a Deep control
Am I the only one that believes this is awesome?